AWS Code Sample
Catalog

MoviesItemOps03.rb

# # Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. # # This file is licensed under the Apache License, Version 2.0 (the "License"). # You may not use this file except in compliance with the License. A copy of # the License is located at # # http://aws.amazon.com/apache2.0/ # # This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR # CONDITIONS OF ANY KIND, either express or implied. See the License for the # specific language governing permissions and limitations under the License. # require "aws-sdk" Aws.config.update({ region: "us-west-2", endpoint: "http://localhost:8000" }) dynamodb = Aws::DynamoDB::Client.new table_name = 'Movies' year = 2015 title = "The Big New Movie" params = { table_name: table_name, key: { year: year, title: title }, update_expression: "set info.rating = :r, info.plot=:p, info.actors=:a", expression_attribute_values: { ":r" => 5.5, ":p" => "Everything happens all at once.", # value <Hash,Array,String,Numeric,Boolean,IO,Set,nil> ":a" => ["Larry", "Moe", "Curly"] }, return_values: "UPDATED_NEW" } begin dynamodb.update_item(params) puts "Added item: #{year} - #{title}" rescue Aws::DynamoDB::Errors::ServiceError => error puts "Unable to add item:" puts "#{error.message}" end

Sample Details

Service: dynamodb

Last tested:

Author: AWS

Type: full-example

On this page: